harden up 

Interjection. Stop being such a pussy and act like an adult.

Chopper: "This is John. He spends an hour a day doing his hair. You're also a DJ aren't you mate?"
John: "Yeah."
Chopper: "Well, John, why don't you fucking harden up?"

harden up by fran_kato January 13, 2007

harden the fuck up 

1) Phrase whose meaning could be paraphrased as: "stop being a fucking pussy and act like you have a fucking pair of balls" (or something to that effect). Often used in sports.

2) A black wristband made in Australia.

1) Jim was whining because his pinky hurt and he was cold, so Bob told him to harden the fuck up.

2) Team CSC all wore black "harden the fuck up" wristbands during the 2007 Tour de France.

harden the fuck up by craig78436 November 7, 2007

Harden the flipp up 

Means the same thing as "harden the fuck up" but the speaker is not yet hard enough to bust out a four letter word.

Why don't you just Harden the flipp up!

Harden the flipp up by febikes September 2, 2012

Harden the fuck up 

Get tougher psychically or/and mentally. Get stronger.

- Its raining outside man. We can't do our cardio.
- OH YEAH BABY! Bring it ON! We gon train in the rain! Momma ain't raised no bitch! Harden the fuck up!

Harden the fuck up by Mothafuckin retard March 5, 2018

harden the fuck up 

Through the Mouth Of Chopper Reed
Comes the Great Australian Word
harden the fuck up! meaning grow balls
get soem fucking balls grow a pussy
you panzy and so on the phrase was
used int eh ronnie johns half hour
as a comieidiec slang for those who
need to get some!

This is stefan his name is stefan
harden the fuck up stefan!

harden the fuck up by Loserer802j3r890krge January 2, 2008